Check the listing for details. 2Pcs Writable Wrist Band, 9.45" x 1.77" Slap Bracelet for Reminder (Plaid Blue). Color: Plaid Blue, Condition: New with tags. Listed at 12.94 USD. Description:Silicone Slap Bracelets: These waterproof writable wrist bands are extremely valuable tools for memory retention, perfect for tracking shopping lists, study tasks, inspirational quotes, and to-do lists. They are especially practical for home health needing to keep reminders and notes handy.Easy to Use: Simply tap these wrist notepads onto your wrist, and they roll up securely, keeping your notes close at hand and thoughts on your wrist.Writable and erasable: These reusable erasable to do list silicone wrist bands have a unique writing surface that lets you jot down any details with a non-waterproof pen and easily erase your notes. NOTE: For the best results, it's recommended to erase your notes within 24 hours.